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Full text of "Metallurgy Of Cast Iron"

Illustrations—Continued.                                                       PA<m
Illustrations of tapping and stopping furnaces..........    90
Burning out chilled furnaces...........................    93
Stopping tools ........................................    94
Tapping and  stopping up  cupolas. .."..................    98
Molding, casting pig iron and open sand work..ioi, 103, 104
Views of sand and chilled cast pig iron................  116
Samples     showing     deceptive     appearance     of     pig
fracture.................................167, 168, 170, 173
Hardness tests of pig iron.............................  177
Method of moulding and pouring a standardized drilling casting .........................................  185
View of sample case of standardized drillings.......... 189
Methods for sampling pig iron.........................  195
Appliances for handling phosphorus....................229
Testing the fusibility of metals by immersion.. .232, 416, 417
Device for testing contraction of test bars............237
Drill press arranged to test hardness of metals..........239
Methods for measuring hardness...................239, 240
Twin shaft cupola .................................... 241
Section of chilled cast car wheel........................ 264
Chill mould and casting of small roll.................. 312
View of the fracture in a gray and chilled roll. .333, 337, 338 Chatelier  Pyrometer arranged  to measure  the  melting
point  of  iron,   etc......................346, 347, 348, 354
Combined cupola and crucible furnace.................. 364
Fracture of chills poured with hot and dull iron........ 373
Plan for casting fluidity strips flat...................... 375
Device for measuring expansion of ^-inch sq. bars......384
Diagrams of automatic expansion records..........389, 390
Apparatus  for recording expansion and  contraction  of
metals  ..................................398, 400, 401, 402
Typical position of shrink holes...............405, 406, 407
Castings showing internal and external blow holes......408
Shrinkage test pattern and casting...................... 409
View of pouring shrinkage tests........................ 4IO
Contraction chill and sand test mould.................. 413
Apparatus for recording stretching qualities of iron___4^4»   half iisrh !«• fV»!ir im-l»«", finely ................. .   2.HH